20103124 has 6 divisors (see below), whose sum is σ = 35180474. Its totient is φ = 10051560.

The previous prime is 20103113. The next prime is 20103137. The reversal of 20103124 is 42130102.

It can be written as a sum of positive squares in only one way, i.e., 15350724 + 4752400 = 3918^2 + 2180^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2512887 + ... + 2512894.

Almost surely, 2^20103124 is an apocalyptic number.

It is an amenable number.

20103124 is a deficient number, since it is larger than the sum of its proper divisors (15077350).

20103124 is a wasteful number, since it uses less digits than its factorization.

20103124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5025785 (or 5025783 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20103124 is about 4483.6507446499. The cubic root of 20103124 is about 271.9074981014.

Adding to 20103124 its reverse (42130102), we get a palindrome (62233226).

The spelling of 20103124 in words is "twenty million, one hundred three thousand, one hundred twenty-four".